These are the most popular Russian Facebook ads from each month

Facebook has said that more than 10 million people in the United States saw the ads, more than half of which ran after the election.

Congress gave a preview of Russian-sponsored trolling posts on Facebook during a hearing last November.

The ads, which were purchased for $100,000 but reached almost 150 million people on Facebook alone, have been one of the key factors which have turned the harsh glare of lawmakers onto the tech giants. The recent documents also show how Russians trolls continued to influence American politics after the 2016 Election with propaganda.

Another ad for a Facebook page called Blacktivist targeted people in Baltimore and Ferguson, Missouri. The Russian trolls paid 3,981 rubles for it, which converts to about $63.

Most of the ads are issue-based, pushing arguments for and against immigration, LGBT issues and gun rights, among other issues.

"For the first time in American history, the leading candidate for the Democrat party is running on a platform that would prohibit the private ownership [or outright confiscation] of firearms", one ad said on a page dubbed "Being Patriotic".

"The only way we can begin to inoculate ourselves against a future attack is to see firsthand the types of messages, themes and imagery the Russians used to divide us", he said.

For its part, Facebook stressed in a statement: "This will never be a solved problem because we're up against determined, creative and well-funded adversaries". Some of the trolls even targeted Bernie Sanders supporters with a fake Facebook page and ads.

"We would like to be able to show the country the full [breadth] of what the Russians were doing on social media to influence the American electorate, so we're continuing to work with Facebook", he said.

The trove of ads released Thursday appears to back the assertion that the Russians wanted to hurt Clinton.

In many cases, the Kremlin-tied ads took multiple sides of the same issue.

In this April 11, 2018 file photo, Facebook CEO Mark Zuckerberg pauses while testifying on Capitol Hill in Washington.

Aimed at Facebook users in Florida and other states, its just one example of thousands of ads linked to Russian Federation that sought to stoke racial and political animosity in the US ahead of the presidential election between Hillary Clinton and Donald Trump.

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